CN102923244A - Ship line with stern transom plate and balanced rudder blade designing method - Google Patents
Ship line with stern transom plate and balanced rudder blade designing method Download PDFInfo
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- CN102923244A CN102923244A CN2012104684773A CN201210468477A CN102923244A CN 102923244 A CN102923244 A CN 102923244A CN 2012104684773 A CN2012104684773 A CN 2012104684773A CN 201210468477 A CN201210468477 A CN 201210468477A CN 102923244 A CN102923244 A CN 102923244A
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Abstract
The invention discloses a ship line with a stern transom plate and a balanced rudder blade designing method. The ship bottom at the mounting position of a ship body rudder blade takes the shape of a combined ship body cyclogenesis plane; the combined ship body cyclogenesis plane comprises a ship body cyclogenesis curved plane, a ship body cyclogenesis horizontal sector plane, a ship body cyclogenesis column plane and a ship body cyclogenesis column plane lower end surface; for a streamline rudder blade, the upper end surface of the rudder blade is a curved plane parallel to the ship body cyclogenesis curved plane; and for a flat-plate rudder blade, the upper end line of the rudder blade is a curved line parallel to the ship body cyclogenesis curved plane. According to the invention, within all rotation angle ranges of the rudder blade, the shape of the upper edge of the rudder blade and the shape of a ship bottom plate are always kept parallel, so that the clearance can be minimized and an optimal space is always kept; therefore, the rudder effect is effectively enhanced, the operability of the ship is improved and energy is saved.
Description
Technical field
The present invention relates to a kind of hull lines and rudder blade, relate in particular to a kind of have stern transom plate hull lines and balanced rudder rudder blade method of designing, be applicable to all kinds of single rudder ship and the many rudder ships that the installation balanced rudder of stern transom plate is arranged, belong to technical field of ships.
Background technology
[0002] ship maneuverability plays an important role to the quality of boats and ships overall performance and ship's navigation performance, and rudder has decisive role to the road-holding property quality of boats and ships, has just become one of major issue of ship-builder's research so how to improve steerage.People recognize very early that theoretically the size of aspect ratio plays a decisive role to steerage in the constant situation in rudder area and rudder cross section, and aspect ratio greatly then steerage is high, and the little then steerage of aspect ratio is low.But owing to limited by drauht and navigation channel, the aspect ratio of general boats and ships is all less, particularly the inland navigation craft thickness ratio of rudder is often less than 1, and in order to improve steerage, people have designed the streamline redder higher than single plate rudder efficient, flaptype rudder, base of a fruit nurse rudder, uncommon woods rudder etc.It is found that in theory research and engineering practice hull has a significant effect to steerage, particularly bottom plating Shapes in rudder blade installation place has considerable influence through the flow characteristics of rudder.When rudder was installed in the hull bottom space, if the space between hull bottom and the rudder upper limb is very little, the flow characteristics of the rudder of then flowing through will be improved, and is equivalent to the aspect ratio that has strengthened rudder blade, and the moment of turning ship of rudder and transverse force are improved and steerage is improved.Enough hour of space between hull bottom and rudder upper limb, its steerage almost can be improved 2 times.Yet, this favorable factor could better embody when just the hull in the rudder blade installation place is flat at present, its reason is, in traditional ship design, because hull lines is the space curved surface that can not change of a complexity, and rudder blade be one can be around the mechanism of rudder stock central rotation, so prior art can only accomplish rudder blade and under a certain corner, make the upper limb of rudder and hull base plate that the state that coincide preferably (being that the gap is minimum) is arranged, and make rudder blade steerage under this corner better.For example, for single stern list rudder ship, in the situation of 0 ° of rudder angle, the rudder blade upper edge shape can accomplish that minimum is accomplished in the gap with ship stern base plate shape is parallel, thereby this moment, steerage was best, but when rudder rotates a certain angle, collide or owing to the reason of hull self molded line in order not make rudder blade and hull, the upper edge shape that must lose rudder blade concerns closely that with the parallel of hull base plate shape this moment, the gap became price scissors to strengthen, thereby steerage is reduced.Therefore, must redesign and minimum could be accomplished in the gap hull and rudder blade, thereby improve steerage.
Summary of the invention
The object of the present invention is to provide a kind of have stern transom plate hull lines and balanced rudder rudder blade method of designing, so that in all angle ranges of rudder blade, the rudder blade upper edge shape remains parallel and makes its gap can accomplish minimum with the bottom plating shape, remain that best space cooperates, thereby effectively improve steerage, improve the road-holding property of boats and ships, energy savings.
A kind of have stern transom plate hull lines and a balanced rudder rudder blade method of designing, hull bottom shape in hull rudder blade 6 installation places is that the combination hull revolves living face, and it is to revolve living curved surface 9, hull by hull to revolve that the flat covering of the fan 9C of unboiled water, hull revolve living cylinder 9a, hull revolves living cylinder lower surface 9b and combines that described combination hull revolves living face; It is take rudder stock line of centers 5 as rotating shaft that described hull revolves living curved surface 9, take 0 ° of straight hatching line 4a of hull rear portion curve as hull revolves living surface bus 7, revolve living curved surface with hull and revolve the male character types in Chinese operas, usu. referring tov the bearded character
Be angle of rotation, rotation generates; Described hull revolves living surface bus 7, is first in waterplane figure, with rudder stock line of centers 5 and 0 ° of intersection point that directly cuts open molded line 4a of hull
Point revolves living curved surface with hull and revolves the male character types in Chinese operas, usu. referring tov the bearded character for starting point
Be angle of radiation, make line segment
Intersect at the stern transom plate molded line
The point; And then directly cuing open among the figure mistake
Point is made horizontal line section
, and make
, mistake
Point is made vertical line
, make
, 0 ° of hull is directly cutd open molded line 4a naturally extends and vertical line to the ship stern
Intersect at
Point, 0 ° of the hull after extension directly cut open molded line and intercept segment of curve
, segment of curve
Be hull and revolve living surface bus; Described hull revolves living curved surface and revolves the male character types in Chinese operas, usu. referring tov the bearded character
Be hull line of centers in the waterplane figure as 0 ° of line, be ± 35 ° for the marine ship value, be ± 45 ° for the inland navigation craft value; Hull revolves the flat covering of the fan 9C of unboiled water take rudder stock line of centers 5 as rotating shaft, revolves the flat bus 7b of unboiled water as bus take hull, revolves living curved surface with hull and revolves the male character types in Chinese operas, usu. referring tov the bearded character
Be angle of rotation, rotation generates; Described hull revolves the flat bus 7b of unboiled water, that 0 ° of hull before the rudder stock line of centers 5 that directly cuts open among the figure directly cuts open molded line 4a and chooses the g point, make the g point to the distance of rudder stock line of centers 5 greater than the distance of rudder blade upper end forward terminal h to rudder stock line of centers 5, cross the g point and make horizontal linear, getting a f behind the g point on this horizontal linear, make the f point equal described hull to the distance of rudder stock line of centers 5 and revolve living segment of a cylinder to the distance of rudder stock line of centers, line segment
Be hull and revolve the flat bus of unboiled water; It is take rudder stock line of centers 5 as rotating shaft that described hull revolves living cylinder 9a, revolves living segment of a cylinder 7a as bus take hull, rotates ± 180 ° of angle rotations and generates, and generates simultaneously hull and revolves living cylinder lower surface 9b; Described hull revolves living segment of a cylinder, at horizontal linear
On choose the f point, make the f point approximate the neck bearing outside radius to the distance of rudder stock line of centers, the f point also can be less than the neck bearing outside radius to the distance of rudder stock line of centers, the f point also can drop on the rudder stock line of centers, crosses the f point and makes vertical line
, make
, revolve living surface bus with hull and intersect at
Point, vertical line segment
Be hull and revolve living segment of a cylinder; Just no longer include hull and revolve living cylinder when the f point drops on the rudder stock line of centers, the hull of this moment revolves living cylinder and deteriorates to straight line
In the angle range of rudder blade 6, for the stream line pattern rudder blade, the rudder blade upper surface is to revolve living curved surface 9 parallel curved surface everywhere with hull; For dull and stereotyped rudder blade, end line is to revolve living curved surface 9 parallel curve everywhere with hull on the rudder blade.
Purpose of the present invention can also further realize by following technical measures:
Aforementioned have stern transom plate hull lines and a balanced rudder rudder blade method of designing, rudder blade upper surface wherein, and vertically cylinder 6b, rudder blade upper end horizontal surface 6a form by upper surface behind the rudder blade 61, rudder blade upper end; For the balance streamline redder, when upper surface behind the rudder blade 61 is the Double curve degree plate, to revolve living curved surface with its corresponding position hull to offset downward apart from t and generate, described departure distance t approximates 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, and value is between 20 millimeters～60 millimeters, when upper surface 61 was single degree plate behind the described rudder blade, the upper surface shape was a single curved surface that upper end line generates as bus along beam direction translation scan behind the rudder blade behind the rudder blade; For the balance streamline redder, described rudder blade upper end vertically cylinder 6b revolves living cylinder with its corresponding position hull to generate to stern departure distance r, and described departure distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius; For the balance streamline redder, described rudder blade upper end horizontal surface 6a revolves the flat covering of the fan of unboiled water or hull with described hull to revolve living cylinder lower surface and offset downward apart from s and generate, and described departure distance s should be less than 50 millimeters after deducting this place's planking thickness.
Aforementioned have stern transom plate hull lines and a balanced rudder rudder blade method of designing, end line on the rudder blade wherein, and vertically post line, rudder blade upper end horizon form by upper end line, rudder blade upper end behind the rudder blade; Upper end line behind the described rudder blade is directly to cut open molded line 4a with 0 ° of its corresponding position hull to offset downward apart from t and generate, and described departure distance t deducts behind this place's bottom plating thickness less than 20 millimeters; Described rudder blade upper end is the post line vertically, is to revolve living segment of a cylinder with its corresponding position hull to generate to stern departure distance r, and described departure distance r should be less than 20 millimeters after deducting this place's planking thickness or neck bearing outside radius; Described rudder blade upper end horizon is to revolve the flat bus of unboiled water with its corresponding position hull to offset downward apart from s and generate, and described departure distance s is for deducting behind this place's bottom plating thickness less than 20 millimeters.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is in all angle ranges of rudder blade, the rudder blade upper edge shape remains parallel and makes its gap can accomplish minimum with the bottom plating shape, remain that best space cooperates, thereby effectively improve steerage, steerage can be enhanced about more than once, and obviously improves the road-holding property of boats and ships, energy savings.
Description of drawings
Fig. 1 is lateral plan of the present invention (directly cuing open figure);
Fig. 2 is that A of the present invention is to view (face figure stands);
Fig. 3 is that B of the present invention is to view (waterplane figure).
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is lateral plan of the present invention (directly cuing open figure), and signal is partly directly cutd open molded line and rudder when 0 ° of rudder angle, the relative position situation of rudder and hull;
Fig. 2 is that A of the present invention is to view (face figure stands), because symmetry only illustrates larboard part molded line;
Fig. 3 is that B of the present invention is to view (waterplane figure), because symmetry only illustrates larboard part molded line.
Such as Fig. 1, Fig. 2, shown in Figure 3:
Dimension line t is rudder blade upper end- face edge 61 and 0 ° of gap of directly cuing open molded line 4a of hull;
Dimension line r is the gap that the vertical post line 6b in rudder blade upper end and hull revolve living segment of a cylinder 7a;
Angle
Revolve the male character types in Chinese operas, usu. referring tov the bearded character for hull revolves living curved surface, in Fig. 3, clockwise rotate
For just, rotate counterclockwise
For negative;
0 ° of hull directly cuts open the straight hatching line of hull that molded line was the rudder stock line of centers;
Corner cut θ is that 0 ° of the intersection point place hull that 0 ° of hull directly cuts open molded line and rudder stock line of centers directly cuts open molded line and horizontal angle;
The plane vertical line is directly cutd open for being one in rudder blade upper end vertically post line, and the distance that the hull that this straight line is corresponding with it revolves between the living segment of a cylinder is t;
Rudder blade upper end horizon directly cuts open the planar horizontal straight line for being one, and the distance that the hull that this straight line is corresponding with it revolves between the flat bus of unboiled water is t.
Be the hull station face molded line, waterplane molded line of single stern balanced rudder, shape and the quantity of straight section molded line shown in Fig. 1, Fig. 2, Fig. 3 figure, only provide as non-limitative illustration.
Such as Fig. 1, Fig. 2, shown in Figure 3,
Point is rudder stock line of centers 5 and 0 ° of intersection point that directly cuts open molded line 4a of hull.
Have stern transom plate hull lines and balanced rudder rudder blade method of designing as follows:
1. in Fig. 3, with
Point is for starting point, with the rudder blade hard-over angle
Be angle of radiation, make line segment
Intersect at stern transom plate molded line 40
The point; In Fig. 1, mistake
Point is made horizontal line section
, and make
, mistake
Point is made vertical line
, make
, 0 ° of hull is directly cutd open molded line 4a naturally extends and vertical line to the ship stern
Intersect at
Point, 0 ° of the hull after extension directly cut open molded line and intercept segment of curve
Revolve living surface bus 7 as hull; 0 ° of hull before the rudder stock line of centers directly cuts open molded line 4a and looks for the g point, makes the g point be slightly larger than rudder blade upper end forward terminal h to the distance of rudder stock line of centers to the distance of rudder stock line of centers, and mistake g point is made horizontal linear
, be hull and revolve the flat bus 7b of unboiled water; At horizontal linear
On look for the f point so that the f point approximates the neck bearing outside radius to the distance of rudder stock line of centers, the f point also can be less than the neck bearing outside radius to the distance of rudder stock line of centers, the f point also can drop on the rudder stock line of centers, crosses the f point and makes vertical line
(make
) revolve living surface bus 7 and intersect at hull
Point gets hull and revolves living segment of a cylinder 7a, just no longer includes hull and revolve living cylinder 9a when the f point drops on the rudder stock line of centers, and the hull of this moment revolves living cylinder 9a and deteriorates to straight line
2. revolve living surface bus 7 and hull revolves the flat bus 7b of unboiled water as bus take hull, take rudder stock line of centers 5 as S. A., take hull line of centers 8 as 0 ° of line, make its bus around rudder stock line of centers rotation ± α degree, its mark face forms hull and revolves living curved surface 9, hull revolves the flat covering of the fan 9c of unboiled water, the fan-shaped curved surface of rotation that it is approximate tapers that hull revolves living curved surface 9, the absolute value of α is approximately greater than the rudder blade hard-over angle, the absolute value of α also can be approximately less than the rudder blade hard-over angle in situation about having, usually the rudder blade hard-over angle of marine ship is ± 35 °, and the rudder blade hard-over angle of inland navigation craft is ± 45 °; Revolve living segment of a cylinder 7a as bus take hull, take rudder stock line of centers 5 as S. A., take hull line of centers 8 as 0 ° of line, make its bus around rudder stock line of centers rotation ± 180 degree, both got hull and revolved living cylinder 9a, (hull revolves living cylinder) lower surface 9b.Hull revolves living curved surface 9, hull revolves the flat covering of the fan 9c of unboiled water,, hull revolve living cylinder 9a, (hull revolves living cylinder) lower surface 9b jointly form the combination hull revolve living face.
3. revolve living face place at the combination hull and increase according to circumstances some hulls station face, hull waterplane, the straight section of hull.It is 4 that present embodiment increases the station face, and the face molded line that must arrive at a station on hull 4 is 11～14 4, and correspondingly revolving living face at the combination hull, to obtain interior station face molded line be 111～141 4; It is 5 that present embodiment increases waterplane, and obtaining the waterplane molded line at hull 4 is 21～25 5, correspondingly revolves living face at the combination hull to obtain interior waterplane molded line be 221～241 3; It is 3 that present embodiment increases straight section, and obtaining straight section molded line at hull 4 is 31～33 3, correspondingly revolves living face at the combination hull to obtain interior straight section molded line be 311,321 two.
4. regenerate the stern transom plate molded line, the stern transom plate molded line that obtains at hull 4 is 40, revolving living face at the combination hull, to obtain interior stern transom plate molded line be 401.
5. adjust on the hull 4: the face molded line 13,14 of standing, waterplane molded line 22～25, straight section molded line 31～33, stern transom plate molded line 40, and other relevant hull lines, until make hull lines revolve the corresponding interior station face molded line 131,141 that 91 places, living curved sides border and hull revolve living curved surface 9 at hull, interior waterplane molded line 221～241 and hull revolve living curved surface coboundary 92, interior straight section molded line 311,321, and interior stern transom plate molded line 401 mutual smooth connections; Adjust on the hull 4: the face molded line 11,12 of standing, waterplane molded line 21, and other relevant hull lines, mutually smooth connection; The face molded line 11,12 of standing, waterplane molded line 21, and other relevant hull lines, revolve corresponding interior station face molded line 111,121 on the living face with the combination hull, revolve at hull that living cylinder lower boundary 93, hull revolve unboiled water planar side border 94, hull revolves front border, unboiled water plane 95 places' knuckles and connects.
6. when needing larger adjustment amount, the hull lines offset just can make hull lines and hull revolve living curved surface well during smooth connection, when the shape after the hull that perhaps generates revolves living curved surface and Ship-lines fairing is connected is not ideal, then should adjust respectively the size that 0 ° of hull directly cuts open the shape of molded line 4a or adjusts corner cut θ (0 ° of the intersection point place hull that 0 ° of hull directly cuts open molded line and rudder stock line of centers directly cuts open molded line in horizontal angle), perhaps adjust simultaneously the size that 0 ° of hull directly cuts open the shape of molded line 4a or adjusts corner cut θ, then repeat aforesaid 1～5 step, until obtain satisfied hull lines.Then hull unnecessary behind the stern transom plate being revolved living curved surface 9 prunes away.
Such as Fig. 1, rudder blade upper end-face edge shape must be good fit with aforesaid hull lines, just can play the effect of abundant raising steerage, and rudder blade upper end-face edge shape is divided into three kinds of situations and designs:
When rudder blade is the dull and stereotyped rudder blade of balance, end line 61 is rhizoplane curves on the rudder blade, this curve is directly to cut open molded line 4a with 0 ° of its corresponding position hull to offset downward the curve that generates apart from t, departure distance t should be not more than 20 millimeters after deducting this place's bottom plating thickness, the spacing that the vertical post line 6b in rudder blade upper end and hull revolve living segment of a cylinder 7a is r, spacing r should be not more than 20 millimeters after deducting this place's planking thickness or neck bearing outside radius, the spacing that rudder blade upper end horizon 6a and hull revolve the flat bus 7b of unboiled water is s, spacing r should be not more than 20 millimeters after deducting this place's planking thickness, and end line 61 forms rudder blade upper end profile jointly with the vertical post line 6b in rudder blade upper end and rudder blade upper end horizon 6a on the rudder blade;
When rudder blade is equiulbrium flow line style rudder blade, and when upper surface 61 is the Double curve degree plate behind the rudder blade, upper surface 61 is to revolve to give birth to its corresponding position combination hull to face down departure distance t and generate behind the rudder blade, departure distance t approximates 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, but must greater than 20 millimeters whiles less than 60 millimeters, rudder blade upper end vertically cylinder 6b revolves to give birth to its corresponding position combination hull to generate towards stern departure distance r, translation distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius, rudder blade upper end horizontal surface 6a revolves to give birth to its corresponding position combination hull to face down departure distance s and generate, departure distance s should be not more than 50 millimeters after deducting this place's planking thickness, and upper surface 61 forms rudder blade upper end profile jointly with the vertical cylinder 6b in rudder blade upper end and rudder blade upper end horizontal surface 6a behind the rudder blade;
When rudder blade is equiulbrium flow line style rudder blade, be simplified manufacturing technique, when the reduction manufacturing cost does not almost affect the efficient of coming about simultaneously, the upper surface shape is a single curved surface that upper end line 61 generates as bus along beam direction translation scan behind the rudder blade behind the rudder blade, this bus is directly to cut open molded line 4a with 0 ° of its corresponding position hull to offset downward the curve that distance generates for t, departure distance t approximates 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, but must greater than 20 millimeters whiles less than 50 millimeters, rudder blade upper end vertically cylinder 6b revolves to give birth to its corresponding position combination hull to generate towards stern departure distance r, translation distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius, rudder blade upper end horizontal surface 6a revolves to give birth to its corresponding position combination hull to face down departure distance s and generate, departure distance s should be not more than 50 millimeters after deducting this place's planking thickness, behind the rudder blade upper 61 with rudder blade upper end vertically cylinder 6b and rudder blade upper end horizontal surface 6a form rudder blade upper end profile jointly.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (3)
1. one kind has stern transom plate hull lines and balanced rudder rudder blade method of designing, it is characterized in that, hull bottom shape in hull rudder blade (6) installation place is that the combination hull revolves living face, and it is to revolve living curved surface (9), hull by hull to revolve that the flat covering of the fan of unboiled water (9C), hull revolve living cylinder (9a), hull revolves living cylinder lower surface (9b) and combines that described combination hull revolves living face; It is take rudder stock line of centers (5) as rotating shaft that described hull revolves living curved surface (9), take 0 ° of straight hatching line of hull (4a) rear portion curve as hull revolves living surface bus (7), revolve living curved surface with hull and revolve the male character types in Chinese operas, usu. referring tov the bearded character
Be angle of rotation, rotation generates; Described hull revolves living surface bus (7), is first in waterplane figure, with rudder stock line of centers (5) and 0 ° of intersection point that directly cuts open molded line (4a) of hull
Point revolves living curved surface with hull and revolves the male character types in Chinese operas, usu. referring tov the bearded character for starting point
Be angle of radiation, make line segment
Intersect at the stern transom plate molded line
The point; And then directly cuing open among the figure mistake
Point is made horizontal line section
, and make
, mistake
Point is made vertical line
, make
, 0 ° of hull is directly cutd open molded line (4a) naturally extends and vertical line to the ship stern
Intersect at
Point, 0 ° of the hull after extension directly cut open molded line and intercept segment of curve
, segment of curve
Be hull and revolve living surface bus; Described hull revolves living curved surface and revolves the male character types in Chinese operas, usu. referring tov the bearded character
Be hull line of centers in the waterplane figure as 0 ° of line, be ± 35 ° for the marine ship value, be ± 45 ° for the inland navigation craft value; Hull revolves the flat covering of the fan of unboiled water (9C) take rudder stock line of centers (5) as rotating shaft, revolves the flat bus of unboiled water (7b) as bus take hull, revolves living curved surface with hull and revolves the male character types in Chinese operas, usu. referring tov the bearded character
Be angle of rotation, rotation generates; Described hull revolves the flat bus of unboiled water (7b), directly to cut open molded line (4a) and choose the g point directly cuing open 0 ° of the front hull of rudder stock line of centers (5) among the figure, make the g point to the distance of rudder stock line of centers (5) greater than the distance of rudder blade upper end forward terminal h to rudder stock line of centers (5), cross the g point and make horizontal linear, getting a f behind the g point on this horizontal linear, make the f point equal described hull to the distance of rudder stock line of centers (5) and revolve living segment of a cylinder to the distance of rudder stock line of centers, line segment
Be hull and revolve the flat bus of unboiled water; It is take rudder stock line of centers (5) as rotating shaft that described hull revolves living cylinder (9a), revolves living segment of a cylinder (7a) as bus take hull, rotates ± 180 ° of angle rotations and generates, and generates simultaneously hull and revolves living cylinder lower surface (9b); Described hull revolves living segment of a cylinder, at horizontal linear
On choose the f point, make the f point approximate the neck bearing outside radius to the distance of rudder stock line of centers, the f point also can be less than the neck bearing outside radius to the distance of rudder stock line of centers, the f point also can drop on the rudder stock line of centers, crosses the f point and makes vertical line
, make
, revolve living surface bus with hull and intersect at
Point, vertical line segment
Be hull and revolve living segment of a cylinder; Just no longer include hull and revolve living cylinder when the f point drops on the rudder stock line of centers, the hull of this moment revolves living cylinder and deteriorates to straight line
In the angle range of rudder blade (6), for the stream line pattern rudder blade, the rudder blade upper surface is to revolve living curved surface (9) parallel curved surface everywhere with hull; For dull and stereotyped rudder blade, end line is to revolve living curved surface (9) parallel curve everywhere with hull on the rudder blade.
2. described according to claim 1 have stern transom plate hull lines and a balanced rudder rudder blade method of designing, it is characterized in that, and described rudder blade upper surface, vertically cylinder (6b), rudder blade upper end horizontal surface (6a) form by upper surface behind the rudder blade (61), rudder blade upper end; For the balance streamline redder, when upper surface behind the rudder blade (61) are the Double curve degree plate, to revolve living curved surface with its corresponding position hull to offset downward apart from t and generate, described departure distance t approximates 1/10th of rudder blade maximum ga(u)ge after deducting this place's bottom plating thickness, and value is between 20 millimeters～60 millimeters, when upper surface behind the described rudder blade (61) was single degree plate, the upper surface shape was a single curved surface that upper end line generates as bus along beam direction translation scan behind the rudder blade behind the rudder blade; For the balance streamline redder, described rudder blade upper end vertically cylinder (6b) is to revolve living cylinder with its corresponding position hull to generate to stern departure distance r, and described departure distance r should be less than 30 millimeters after deducting this place's planking thickness or neck bearing outside radius; For the balance streamline redder, described rudder blade upper end horizontal surface (6a) is to revolve the flat covering of the fan of unboiled water or hull with described hull to revolve living cylinder lower surface and offset downward apart from s and generate, and described departure distance s should be less than 50 millimeters after deducting this place's planking thickness.
3. described according to claim 1 have stern transom plate hull lines and a balanced rudder rudder blade method of designing, it is characterized in that, and end line on the described rudder blade, vertically post line, rudder blade upper end horizon form by upper end line, rudder blade upper end behind the rudder blade; Upper end line behind the described rudder blade is directly to cut open molded line (4a) with 0 ° of its corresponding position hull to offset downward apart from t and generate, and described departure distance t deducts behind this place's bottom plating thickness less than 20 millimeters; Described rudder blade upper end is the post line vertically, is to revolve living segment of a cylinder with its corresponding position hull to generate to stern departure distance r, and described departure distance r should be less than 20 millimeters after deducting this place's planking thickness or neck bearing outside radius; Described rudder blade upper end horizon is to revolve the flat bus of unboiled water with its corresponding position hull to offset downward apart from s and generate, and described departure distance s is for deducting behind this place's bottom plating thickness less than 20 millimeters.
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| CN101648596A (en) * | 2008-08-13 | 2010-02-17 | 贝克船舶系统有限及两合公司 | Rudder arrangement for ships having higher speeds comprising a cavitation-reducing twisted, in particular balanced rudder |
| CN202320713U (en) * | 2011-10-18 | 2012-07-11 | 上海斯迪安船舶设计有限公司 | Hull form for ocean engineering ship |
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2012
- 2012-11-20 CN CN201210468477.3A patent/CN102923244B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB826155A (en) * | 1956-06-01 | 1959-12-31 | Burness Corlett & Partners Ltd | Improvements in and relating to the hull form of tug boats and towing vessels |
| CN2088973U (en) * | 1991-03-15 | 1991-11-20 | 湘潭市水运总公司 | V type motor driven lighter |
| US5176092A (en) * | 1991-08-30 | 1993-01-05 | Newport News Shipbuilding And Dry Dock Company | Icebreaker bow and hull form |
| JPH10138998A (en) * | 1996-11-07 | 1998-05-26 | Mitsubishi Heavy Ind Ltd | High speed ship with two rudders |
| JP2005247122A (en) * | 2004-03-04 | 2005-09-15 | Oshima Shipbuilding Co Ltd | Rudder device and its mounting method |
| CN101648596A (en) * | 2008-08-13 | 2010-02-17 | 贝克船舶系统有限及两合公司 | Rudder arrangement for ships having higher speeds comprising a cavitation-reducing twisted, in particular balanced rudder |
| CN202320713U (en) * | 2011-10-18 | 2012-07-11 | 上海斯迪安船舶设计有限公司 | Hull form for ocean engineering ship |
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| CN102923244B (en) | 2015-01-21 |
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